[deliverable/binutils-gdb.git] / gdb / utils.h

/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
		      for now.  */
/* I/O, string, cleanup, and other random utilities for GDB.
   Copyright (C) 1986-2016 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef UTILS_H
#define UTILS_H

#include "exceptions.h"

extern void initialize_utils (void);

/* String utilities.  */

extern int sevenbit_strings;

extern int strcmp_iw (const char *, const char *);

extern int strcmp_iw_ordered (const char *, const char *);

extern int streq (const char *, const char *);

extern int subset_compare (char *, char *);

int compare_positive_ints (const void *ap, const void *bp);
int compare_strings (const void *ap, const void *bp);

/* A wrapper for bfd_errmsg to produce a more helpful error message
   in the case of bfd_error_file_ambiguously recognized.
   MATCHING, if non-NULL, is the corresponding argument to
   bfd_check_format_matches, and will be freed.  */

extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);

/* Reset the prompt_for_continue clock.  */
void reset_prompt_for_continue_wait_time (void);
/* Return the time spent in prompt_for_continue.  */
struct timeval get_prompt_for_continue_wait_time (void);
\f
/* Parsing utilites.  */

extern int parse_pid_to_attach (const char *args);

extern int parse_escape (struct gdbarch *, const char **);

char **gdb_buildargv (const char *);
\f
/* Cleanup utilities.  */

extern struct cleanup *make_cleanup_freeargv (char **);

struct ui_file;
extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);

struct ui_out;
extern struct cleanup *
  make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);

struct section_addr_info;
extern struct cleanup *(make_cleanup_free_section_addr_info 
                        (struct section_addr_info *));

/* For make_cleanup_close see common/filestuff.h.  */

extern struct cleanup *make_cleanup_fclose (FILE *file);

extern struct cleanup *make_cleanup_bfd_unref (bfd *abfd);

struct obstack;
extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);

extern struct cleanup *make_cleanup_restore_integer (int *variable);
extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);

struct target_ops;
extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);

extern struct cleanup *
  make_cleanup_restore_ui_file (struct ui_file **variable);

extern struct cleanup *make_cleanup_value_free_to_mark (struct value *);
extern struct cleanup *make_cleanup_value_free (struct value *);

struct so_list;
extern struct cleanup *make_cleanup_free_so (struct so_list *so);

extern struct cleanup *make_cleanup_restore_current_language (void);

extern struct cleanup *make_cleanup_htab_delete (htab_t htab);

struct parser_state;
extern struct cleanup *make_cleanup_clear_parser_state
  (struct parser_state **p);

extern void free_current_contents (void *);

extern void init_page_info (void);

extern struct cleanup *make_cleanup_restore_page_info (void);
extern struct cleanup *
  set_batch_flag_and_make_cleanup_restore_page_info (void);

extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
\f
/* Path utilities.  */

extern char *gdb_realpath (const char *);

extern char *gdb_realpath_keepfile (const char *);

extern char *gdb_abspath (const char *);

extern int gdb_filename_fnmatch (const char *pattern, const char *string,
				 int flags);

extern void substitute_path_component (char **stringp, const char *from,
				       const char *to);

char *ldirname (const char *filename);

extern int count_path_elements (const char *path);

extern const char *strip_leading_path_elements (const char *path, int n);
\f
/* GDB output, ui_file utilities.  */

struct ui_file;

extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);

extern void begin_line (void);

extern void wrap_here (char *);

extern void reinitialize_more_filter (void);

extern int pagination_enabled;

extern struct ui_file **current_ui_gdb_stdout_ptr (void);
extern struct ui_file **current_ui_gdb_stdin_ptr (void);
extern struct ui_file **current_ui_gdb_stderr_ptr (void);
extern struct ui_file **current_ui_gdb_stdlog_ptr (void);

/* The current top level's ui_file streams.  */

/* Normal results */
#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
/* Input stream */
#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
/* Serious error notifications */
#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
/* Log/debug/trace messages that should bypass normal stdout/stderr
   filtering.  For moment, always call this stream using
   *_unfiltered.  In the very near future that restriction shall be
   removed - either call shall be unfiltered.  (cagney 1999-06-13).  */
#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())

/* Truly global ui_file streams.  These are all defined in main.c.  */

/* Target output that should bypass normal stdout/stderr filtering.
   For moment, always call this stream using *_unfiltered.  In the
   very near future that restriction shall be removed - either call
   shall be unfiltered.  (cagney 1999-07-02).  */
extern struct ui_file *gdb_stdtarg;
extern struct ui_file *gdb_stdtargerr;
extern struct ui_file *gdb_stdtargin;

/* Set the screen dimensions to WIDTH and HEIGHT.  */

extern void set_screen_width_and_height (int width, int height);

/* More generic printf like operations.  Filtered versions may return
   non-locally on error.  */

extern void fputs_filtered (const char *, struct ui_file *);

extern void fputs_unfiltered (const char *, struct ui_file *);

extern int fputc_filtered (int c, struct ui_file *);

extern int fputc_unfiltered (int c, struct ui_file *);

extern int putchar_filtered (int c);

extern int putchar_unfiltered (int c);

extern void puts_filtered (const char *);

extern void puts_unfiltered (const char *);

extern void puts_filtered_tabular (char *string, int width, int right);

extern void puts_debug (char *prefix, char *string, char *suffix);

extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);

extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
  ATTRIBUTE_PRINTF (2, 0);

extern void fprintf_filtered (struct ui_file *, const char *, ...)
  ATTRIBUTE_PRINTF (2, 3);

extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
  ATTRIBUTE_PRINTF (3, 4);

extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);

extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);

extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);

extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
  ATTRIBUTE_PRINTF (2, 0);

extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
  ATTRIBUTE_PRINTF (2, 3);

extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);

extern void print_spaces (int, struct ui_file *);

extern void print_spaces_filtered (int, struct ui_file *);

extern char *n_spaces (int);

extern void fputstr_filtered (const char *str, int quotr,
			      struct ui_file * stream);

extern void fputstr_unfiltered (const char *str, int quotr,
				struct ui_file * stream);

extern void fputstrn_filtered (const char *str, int n, int quotr,
			       struct ui_file * stream);

extern void fputstrn_unfiltered (const char *str, int n, int quotr,
				 struct ui_file * stream);

/* Return nonzero if filtered printing is initialized.  */
extern int filtered_printing_initialized (void);

/* Display the host ADDR on STREAM formatted as ``0x%x''.  */
extern void gdb_print_host_address_1 (const void *addr, struct ui_file *stream);

/* Wrapper that avoids adding a pointless cast to all callers.  */
#define gdb_print_host_address(ADDR, STREAM) \
  gdb_print_host_address_1 ((const void *) ADDR, STREAM)

/* Convert CORE_ADDR to string in platform-specific manner.
   This is usually formatted similar to 0x%lx.  */
extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);

/* Return a string representation in hexadecimal notation of ADDRESS,
   which is suitable for printing.  */

extern const char *print_core_address (struct gdbarch *gdbarch,
				       CORE_ADDR address);

/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex.  */
extern hashval_t core_addr_hash (const void *ap);
extern int core_addr_eq (const void *ap, const void *bp);

extern CORE_ADDR string_to_core_addr (const char *my_string);

extern void fprintf_symbol_filtered (struct ui_file *, const char *,
				     enum language, int);

extern void throw_perror_with_name (enum errors errcode, const char *string)
  ATTRIBUTE_NORETURN;

extern void perror_warning_with_name (const char *string);

extern void print_sys_errmsg (const char *, int);
\f
/* Warnings and error messages.  */

extern void (*deprecated_error_begin_hook) (void);

/* Message to be printed before the warning message, when a warning occurs.  */

extern char *warning_pre_print;

extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;

extern void demangler_vwarning (const char *file, int line,
			       const char *, va_list ap)
     ATTRIBUTE_PRINTF (3, 0);

extern void demangler_warning (const char *file, int line,
			      const char *, ...) ATTRIBUTE_PRINTF (3, 4);

\f
/* Misc. utilities.  */

/* Allocation and deallocation functions for the libiberty hash table
   which use obstacks.  */
void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
void dummy_obstack_deallocate (void *object, void *data);

#ifdef HAVE_WAITPID
extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
#endif

extern int producer_is_gcc_ge_4 (const char *producer);
extern int producer_is_gcc (const char *producer, int *major, int *minor);

extern int myread (int, char *, int);

/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
   power of 2).  Round up/down when necessary.  Examples of correct
   use include:

   addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
   write_memory (addr, value, len);
   addr += len;

   and:

   sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
   write_memory (sp, value, len);

   Note that uses such as:

   write_memory (addr, value, len);
   addr += align_up (len, 8);

   and:

   sp -= align_up (len, 8);
   write_memory (sp, value, len);

   are typically not correct as they don't ensure that the address (SP
   or ADDR) is correctly aligned (relying on previous alignment to
   keep things right).  This is also why the methods are called
   "align_..." instead of "round_..." as the latter reads better with
   this incorrect coding style.  */

extern ULONGEST align_up (ULONGEST v, int n);
extern ULONGEST align_down (ULONGEST v, int n);

/* Resource limits used by getrlimit and setrlimit.  */

enum resource_limit_kind
  {
    LIMIT_CUR,
    LIMIT_MAX
  };

/* Check whether GDB will be able to dump core using the dump_core
   function.  Returns zero if GDB cannot or should not dump core.
   If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
   If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected.  */

extern int can_dump_core (enum resource_limit_kind limit_kind);

/* Print a warning that we cannot dump core.  */

extern void warn_cant_dump_core (const char *reason);

/* Dump core trying to increase the core soft limit to hard limit
   first.  */

extern void dump_core (void);

/* Return the hex string form of LENGTH bytes of DATA.
   Space for the result is malloc'd, caller must free.  */

extern char *make_hex_string (const gdb_byte *data, size_t length);

#endif /* UTILS_H */
Commit	Line	Data
48faced0 DE	1	/* INDENT-OFF / / ATTRIBUTE_PRINTF confuses indent, avoid running it
	2	for now. */
	3	/* I/O, string, cleanup, and other random utilities for GDB.
618f726f	4	Copyright (C) 1986-2016 Free Software Foundation, Inc.
48faced0 DE	5
	6	This file is part of GDB.
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 3 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	20
	21	#ifndef UTILS_H
	22	#define UTILS_H
	23
af880d85	24	#include "exceptions.h"
48faced0 DE	25
	26	extern void initialize_utils (void);
	27
	28	/* String utilities. */
	29
	30	extern int sevenbit_strings;
	31
48faced0 DE	32	extern int strcmp_iw (const char , const char );
	33
	34	extern int strcmp_iw_ordered (const char , const char );
	35
	36	extern int streq (const char , const char );
	37
	38	extern int subset_compare (char , char );
	39
48faced0 DE	40	int compare_positive_ints (const void ap, const void bp);
	41	int compare_strings (const void ap, const void bp);
	42
48faced0 DE	43	/* A wrapper for bfd_errmsg to produce a more helpful error message
	44	in the case of bfd_error_file_ambiguously recognized.
	45	MATCHING, if non-NULL, is the corresponding argument to
	46	bfd_check_format_matches, and will be freed. */
	47
	48	extern const char gdb_bfd_errmsg (bfd_error_type error_tag, char *matching);
bd712aed DE	49
	50	/* Reset the prompt_for_continue clock. */
	51	void reset_prompt_for_continue_wait_time (void);
	52	/* Return the time spent in prompt_for_continue. */
	53	struct timeval get_prompt_for_continue_wait_time (void);
48faced0 DE	54	\f
	55	/* Parsing utilites. */
	56
c0939df1	57	extern int parse_pid_to_attach (const char *args);
48faced0	58
d7561cbb	59	extern int parse_escape (struct gdbarch , const char *);
48faced0 DE	60
	61	char *gdb_buildargv (const char );
	62	\f
	63	/* Cleanup utilities. */
	64
	65	extern struct cleanup make_cleanup_freeargv (char *);
	66
48faced0 DE	67	struct ui_file;
	68	extern struct cleanup make_cleanup_ui_file_delete (struct ui_file );
	69
	70	struct ui_out;
	71	extern struct cleanup *
	72	make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
	73
	74	struct section_addr_info;
	75	extern struct cleanup *(make_cleanup_free_section_addr_info
	76	(struct section_addr_info *));
	77
ca095836	78	/* For make_cleanup_close see common/filestuff.h. */
48faced0 DE	79
	80	extern struct cleanup make_cleanup_fclose (FILE file);
	81
	82	extern struct cleanup make_cleanup_bfd_unref (bfd abfd);
	83
	84	struct obstack;
	85	extern struct cleanup make_cleanup_obstack_free (struct obstack obstack);
	86
	87	extern struct cleanup make_cleanup_restore_integer (int variable);
	88	extern struct cleanup make_cleanup_restore_uinteger (unsigned int variable);
	89
	90	struct target_ops;
	91	extern struct cleanup make_cleanup_unpush_target (struct target_ops ops);
	92
	93	extern struct cleanup *
	94	make_cleanup_restore_ui_file (struct ui_file **variable);
	95
	96	extern struct cleanup make_cleanup_value_free_to_mark (struct value );
	97	extern struct cleanup make_cleanup_value_free (struct value );
	98
	99	struct so_list;
	100	extern struct cleanup make_cleanup_free_so (struct so_list so);
	101
5b12a61c JK	102	extern struct cleanup *make_cleanup_restore_current_language (void);
5b12a61c JK	103
48faced0 DE	104	extern struct cleanup *make_cleanup_htab_delete (htab_t htab);
48faced0 DE	105
410a0ff2 SDJ	106	struct parser_state;
	107	extern struct cleanup *make_cleanup_clear_parser_state
	108	(struct parser_state **p);
	109
48faced0 DE	110	extern void free_current_contents (void *);
48faced0 DE	111
48faced0 DE	112	extern void init_page_info (void);
	113
	114	extern struct cleanup *make_cleanup_restore_page_info (void);
	115	extern struct cleanup *
	116	set_batch_flag_and_make_cleanup_restore_page_info (void);
	117
	118	extern struct cleanup *make_bpstat_clear_actions_cleanup (void);
	119	\f
	120	/* Path utilities. */
	121
	122	extern char gdb_realpath (const char );
	123
4856b6bc JK	124	extern char gdb_realpath_keepfile (const char );
4856b6bc JK	125
04affae3 JK	126	extern char gdb_abspath (const char );
04affae3 JK	127
48faced0 DE	128	extern int gdb_filename_fnmatch (const char pattern, const char string,
	129	int flags);
	130
	131	extern void substitute_path_component (char *stringp, const char from,
	132	const char *to);
	133
	134	char ldirname (const char filename);
cce0e923 DE	135
	136	extern int count_path_elements (const char *path);
	137
	138	extern const char strip_leading_path_elements (const char path, int n);
48faced0 DE	139	\f
	140	/* GDB output, ui_file utilities. */
	141
	142	struct ui_file;
	143
48faced0 DE	144	extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	145	extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	146	extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	147
	148	extern void begin_line (void);
	149
	150	extern void wrap_here (char *);
	151
	152	extern void reinitialize_more_filter (void);
	153
74da6f00 PA	154	extern int pagination_enabled;
74da6f00 PA	155
79aa2fe8 PA	156	extern struct ui_file **current_ui_gdb_stdout_ptr (void);
	157	extern struct ui_file **current_ui_gdb_stdin_ptr (void);
	158	extern struct ui_file **current_ui_gdb_stderr_ptr (void);
	159	extern struct ui_file **current_ui_gdb_stdlog_ptr (void);
	160
	161	/* The current top level's ui_file streams. */
	162
48faced0	163	/* Normal results */
79aa2fe8	164	#define gdb_stdout (*current_ui_gdb_stdout_ptr ())
48faced0	165	/* Input stream */
79aa2fe8	166	#define gdb_stdin (*current_ui_gdb_stdin_ptr ())
48faced0	167	/* Serious error notifications */
79aa2fe8	168	#define gdb_stderr (*current_ui_gdb_stderr_ptr ())
48faced0 DE	169	/* Log/debug/trace messages that should bypass normal stdout/stderr
	170	filtering. For moment, always call this stream using
	171	*_unfiltered. In the very near future that restriction shall be
	172	removed - either call shall be unfiltered. (cagney 1999-06-13). */
79aa2fe8 PA	173	#define gdb_stdlog (*current_ui_gdb_stdlog_ptr ())
	174
	175	/* Truly global ui_file streams. These are all defined in main.c. */
	176
48faced0 DE	177	/* Target output that should bypass normal stdout/stderr filtering.
	178	For moment, always call this stream using *_unfiltered. In the
	179	very near future that restriction shall be removed - either call
	180	shall be unfiltered. (cagney 1999-07-02). */
	181	extern struct ui_file *gdb_stdtarg;
	182	extern struct ui_file *gdb_stdtargerr;
	183	extern struct ui_file *gdb_stdtargin;
	184
d6e5e7f7 PP	185	/* Set the screen dimensions to WIDTH and HEIGHT. */
	186
	187	extern void set_screen_width_and_height (int width, int height);
	188
48faced0 DE	189	/* More generic printf like operations. Filtered versions may return
	190	non-locally on error. */
	191
	192	extern void fputs_filtered (const char , struct ui_file );
	193
	194	extern void fputs_unfiltered (const char , struct ui_file );
	195
	196	extern int fputc_filtered (int c, struct ui_file *);
	197
	198	extern int fputc_unfiltered (int c, struct ui_file *);
	199
	200	extern int putchar_filtered (int c);
	201
	202	extern int putchar_unfiltered (int c);
	203
	204	extern void puts_filtered (const char *);
	205
	206	extern void puts_unfiltered (const char *);
	207
	208	extern void puts_filtered_tabular (char *string, int width, int right);
	209
	210	extern void puts_debug (char prefix, char string, char *suffix);
	211
	212	extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	213
	214	extern void vfprintf_filtered (struct ui_file , const char , va_list)
	215	ATTRIBUTE_PRINTF (2, 0);
	216
	217	extern void fprintf_filtered (struct ui_file , const char , ...)
	218	ATTRIBUTE_PRINTF (2, 3);
	219
	220	extern void fprintfi_filtered (int, struct ui_file , const char , ...)
	221	ATTRIBUTE_PRINTF (3, 4);
	222
	223	extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	224
	225	extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
	226
	227	extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
	228
	229	extern void vfprintf_unfiltered (struct ui_file , const char , va_list)
	230	ATTRIBUTE_PRINTF (2, 0);
	231
	232	extern void fprintf_unfiltered (struct ui_file , const char , ...)
	233	ATTRIBUTE_PRINTF (2, 3);
	234
	235	extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
	236
	237	extern void print_spaces (int, struct ui_file *);
	238
	239	extern void print_spaces_filtered (int, struct ui_file *);
	240
	241	extern char *n_spaces (int);
	242
	243	extern void fputstr_filtered (const char *str, int quotr,
	244	struct ui_file * stream);
	245
	246	extern void fputstr_unfiltered (const char *str, int quotr,
	247	struct ui_file * stream);
	248
	249	extern void fputstrn_filtered (const char *str, int n, int quotr,
	250	struct ui_file * stream);
	251
	252	extern void fputstrn_unfiltered (const char *str, int n, int quotr,
253	struct ui_file * stream);
254
2437fd32 GB	255	/* Return nonzero if filtered printing is initialized. */
	256	extern int filtered_printing_initialized (void);
	257
48faced0	258	/* Display the host ADDR on STREAM formatted as ``0x%x''. */
b80c3053 PA	259	extern void gdb_print_host_address_1 (const void addr, struct ui_file stream);
	260
	261	/* Wrapper that avoids adding a pointless cast to all callers. */
	262	#define gdb_print_host_address(ADDR, STREAM) \
	263	gdb_print_host_address_1 ((const void *) ADDR, STREAM)
48faced0	264
48faced0 DE	265	/* Convert CORE_ADDR to string in platform-specific manner.
	266	This is usually formatted similar to 0x%lx. */
	267	extern const char paddress (struct gdbarch gdbarch, CORE_ADDR addr);
	268
	269	/* Return a string representation in hexadecimal notation of ADDRESS,
	270	which is suitable for printing. */
	271
	272	extern const char print_core_address (struct gdbarch gdbarch,
	273	CORE_ADDR address);
	274
	275	/* Callback hash_f and eq_f for htab_create_alloc or htab_create_alloc_ex. */
	276	extern hashval_t core_addr_hash (const void *ap);
	277	extern int core_addr_eq (const void ap, const void bp);
	278
48faced0 DE	279	extern CORE_ADDR string_to_core_addr (const char *my_string);
48faced0 DE	280
48faced0 DE	281	extern void fprintf_symbol_filtered (struct ui_file , const char ,
	282	enum language, int);
	283
598d3636 JK	284	extern void throw_perror_with_name (enum errors errcode, const char *string)
598d3636 JK	285	ATTRIBUTE_NORETURN;
48faced0	286
7c647d61 JB	287	extern void perror_warning_with_name (const char *string);
7c647d61 JB	288
48faced0 DE	289	extern void print_sys_errmsg (const char *, int);
	290	\f
	291	/* Warnings and error messages. */
	292
	293	extern void (*deprecated_error_begin_hook) (void);
	294
48faced0 DE	295	/* Message to be printed before the warning message, when a warning occurs. */
	296
	297	extern char *warning_pre_print;
	298
48faced0 DE	299	extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
48faced0 DE	300
57fcfb1b GB	301	extern void demangler_vwarning (const char *file, int line,
	302	const char *, va_list ap)
	303	ATTRIBUTE_PRINTF (3, 0);
	304
	305	extern void demangler_warning (const char *file, int line,
	306	const char *, ...) ATTRIBUTE_PRINTF (3, 4);
	307
48faced0 DE	308	\f
	309	/* Misc. utilities. */
	310
	311	/* Allocation and deallocation functions for the libiberty hash table
	312	which use obstacks. */
	313	void hashtab_obstack_allocate (void data, size_t size, size_t count);
	314	void dummy_obstack_deallocate (void object, void data);
	315
	316	#ifdef HAVE_WAITPID
	317	extern pid_t wait_to_die_with_timeout (pid_t pid, int *status, int timeout);
	318	#endif
	319
	320	extern int producer_is_gcc_ge_4 (const char *producer);
cc7039d3	321	extern int producer_is_gcc (const char producer, int major, int *minor);
48faced0	322
48faced0 DE	323	extern int myread (int, char *, int);
	324
	325	/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
	326	power of 2). Round up/down when necessary. Examples of correct
	327	use include:
	328
	329	addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
	330	write_memory (addr, value, len);
	331	addr += len;
	332
	333	and:
	334
	335	sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
	336	write_memory (sp, value, len);
	337
	338	Note that uses such as:
	339
	340	write_memory (addr, value, len);
	341	addr += align_up (len, 8);
	342
	343	and:
	344
	345	sp -= align_up (len, 8);
	346	write_memory (sp, value, len);
	347
	348	are typically not correct as they don't ensure that the address (SP
	349	or ADDR) is correctly aligned (relying on previous alignment to
	350	keep things right). This is also why the methods are called
	351	"align_..." instead of "round_..." as the latter reads better with
	352	this incorrect coding style. */
	353
	354	extern ULONGEST align_up (ULONGEST v, int n);
	355	extern ULONGEST align_down (ULONGEST v, int n);
	356
eae7090b GB	357	/* Resource limits used by getrlimit and setrlimit. */
	358
	359	enum resource_limit_kind
	360	{
	361	LIMIT_CUR,
	362	LIMIT_MAX
	363	};
	364
	365	/* Check whether GDB will be able to dump core using the dump_core
	366	function. Returns zero if GDB cannot or should not dump core.
	367	If LIMIT_KIND is LIMIT_CUR the user's soft limit will be respected.
	368	If LIMIT_KIND is LIMIT_MAX only the hard limit will be respected. */
	369
	370	extern int can_dump_core (enum resource_limit_kind limit_kind);
	371
	372	/* Print a warning that we cannot dump core. */
	373
	374	extern void warn_cant_dump_core (const char *reason);
	375
	376	/* Dump core trying to increase the core soft limit to hard limit
	377	first. */
	378
	379	extern void dump_core (void);
	380
7c50a931 DE	381	/* Return the hex string form of LENGTH bytes of DATA.
	382	Space for the result is malloc'd, caller must free. */
	383
	384	extern char make_hex_string (const gdb_byte data, size_t length);
	385
48faced0	386	#endif /* UTILS_H */